Home / 417,558.12-626,225.40-117,968.28

Finding the Fourth Proportional to 417,558.12, 626,225.40 and 117,968.28

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Solution

The fourth proportional to 417,558.12, 626,225.40 and 117,968.28 is: 176,920.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,558.12 : 626,225.40 = 117,968.28 : x
  2. Step 2: Convert to fraction form
    417,558.12/626,225.40 = 117,968.28/x
  3. Step 3: Cross multiply
    417,558.12x = 626,225.40 × 117,968.28
  4. Step 4: Simplify right side
    417,558.12x = 73,874,733,330.31
  5. Step 5: Solve for x
    x = 73,874,733,330.31/417,558.12
  6. Step 6: Final answer
    x = 176,920.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.